Radeon HD 7990 vs Radeon RX 540

If you are going to buy a new graphics card and are choosing between Radeon HD 7990 and Radeon RX 540, there are a couple of things to consider. Cards with more VRAM in general perform better and allow you to play on higher graphics settings. Size also makes a difference. A model with a large heatsink can occupy up to three expansion slots on a motherboard. Be sure you have enough room in your PC case. When comparing GPUs with different architectures, more processing cores and even higher TFLOPS will not always translate to better performance. To help you decide which GPU you need, we have measured frame rates in a number of popular games. For more on how the Radeon HD 7990 stacks up against Radeon RX 540, check out specs charts below.

Radeon HD 7990 Check Price

Radeon RX 540 Check Price

Radeon RX 540 is a Laptop Graphics Card

Note: Radeon RX 540 is only used in laptop graphics. It has lower GPU clock speed compared to the desktop variant, which results in lower power consumption, but also 10-30% lower gaming performance. Check available laptop models with Radeon RX 540 here:

Radeon RX 540 Laptops

Main Specs

	Radeon HD 7990	Radeon RX 540
Power consumption (TDP)	375 Watt	65 Watt
Interface	PCIe 3.0 x16	PCIe 3.0 x16
Supplementary power connectors	2x 8-pin	1x 6-pin
Memory type	GDDR5	GDDR5
Maximum RAM amount	3 GB	4 GB
Display Connectors	1x DVI, 4x mini-DisplayPort
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Radeon HD 7990 has 476% more power consumption, than Radeon RX 540.
Both video cards are using PCIe 3.0 x16 interface connection to a motherboard.
Radeon RX 540 has 1 GB more memory, than Radeon HD 7990.
Radeon HD 7990 is used in Desktops, and Radeon RX 540 - in Laptops.
Radeon HD 7990 is build with GCN 1.0 architecture, and Radeon RX 540 - with Polaris.
Radeon HD 7990 is manufactured by 28 nm process technology, and Radeon RX 540 - by 14 nm process technology.
Memory clock speed of Radeon HD 7990 and Radeon RX 540 is 6000 MHz.

Game benchmarks


high / 1080p	35−40	14−16
ultra / 1080p	21−24	8−9
QHD / 1440p	16−18	3−4
4K / 2160p	10−11	−
low / 720p	60−65	30−33
medium / 1080p	40−45	18−20
The average gaming FPS of Radeon HD 7990 in Assassin's Creed Odyssey is 140% more, than Radeon RX 540.
high / 1080p	55−60	21−24
ultra / 1080p	45−50	20−22
QHD / 1440p	35−40	6−7
4K / 2160p	18−20	5−6
low / 720p	100−110	45−50
medium / 1080p	60−65	24−27
The average gaming FPS of Radeon HD 7990 in Battlefield 5 is 157% more, than Radeon RX 540.
low / 768p	50−55	45−50
QHD / 1440p	0−1	0−1
The average gaming FPS of Radeon HD 7990 in Call of Duty: Warzone is 10% more, than Radeon RX 540.
low / 768p	250−260	200−210
medium / 768p	220−230	170−180
ultra / 1080p	180−190	90−95
QHD / 1440p	110−120	50−55
4K / 2160p	70−75	30−33
high / 768p	210−220	130−140
The average gaming FPS of Radeon HD 7990 in Counter-Strike: Global Offensive is 53% more, than Radeon RX 540.
low / 768p	60−65	55−60
ultra / 1080p	−	35−40
medium / 1080p	55−60	45−50
The average gaming FPS of Radeon HD 7990 in Cyberpunk 2077 is 15% more, than Radeon RX 540.
low / 768p	120−130	100−110
medium / 768p	110−120	90−95
ultra / 1080p	100−110	60−65
The average gaming FPS of Radeon HD 7990 in Dota 2 is 33% more, than Radeon RX 540.
high / 1080p	45−50	16−18
ultra / 1080p	40−45	14−16
QHD / 1440p	27−30	−
4K / 2160p	14−16	6−7
low / 720p	80−85	35−40
medium / 1080p	45−50	18−20
The average gaming FPS of Radeon HD 7990 in Far Cry 5 is 147% more, than Radeon RX 540.
high / 1080p	60−65	24−27
ultra / 1080p	45−50	18−20
QHD / 1440p	27−30	16−18
4K / 2160p	27−30	−
low / 720p	180−190	95−100
medium / 1080p	110−120	50−55
The average gaming FPS of Radeon HD 7990 in Fortnite is 107% more, than Radeon RX 540.
high / 1080p	60−65	24−27
ultra / 1080p	45−50	18−20
QHD / 1440p	30−35	8−9
4K / 2160p	24−27	−
low / 720p	100−110	50−55
medium / 1080p	65−70	27−30
The average gaming FPS of Radeon HD 7990 in Forza Horizon 4 is 142% more, than Radeon RX 540.
low / 768p	140−150	80−85
medium / 768p	120−130	70−75
high / 1080p	70−75	27−30
ultra / 1080p	30−35	12−14
QHD / 1440p	21−24	2−3
The average gaming FPS of Radeon HD 7990 in Grand Theft Auto V is 102% more, than Radeon RX 540.
high / 1080p	24−27	9−10
ultra / 1080p	20−22	7−8
QHD / 1440p	16−18	−
4K / 2160p	8−9	2−3
low / 720p	65−70	27−30
medium / 1080p	30−35	12−14
The average gaming FPS of Radeon HD 7990 in Metro Exodus is 158% more, than Radeon RX 540.
low / 768p	130−140	110−120
ultra / 1080p	−	100−110
medium / 1080p	120−130	100−110
The average gaming FPS of Radeon HD 7990 in Minecraft is 18% more, than Radeon RX 540.
high / 1080p	−	21−24
ultra / 1080p	14−16	16−18
low / 720p	100−110	55−60
medium / 1080p	18−20	24−27
The average gaming FPS of Radeon HD 7990 in PLAYERUNKNOWN'S BATTLEGROUNDS is 39% more, than Radeon RX 540.
high / 1080p	24−27	14−16
ultra / 1080p	16−18	9−10
QHD / 1440p	10−11	0−1
4K / 2160p	7−8	−
low / 720p	65−70	27−30
medium / 1080p	35−40	16−18
The average gaming FPS of Radeon HD 7990 in Red Dead Redemption 2 is 111% more, than Radeon RX 540.
low / 768p	130−140	50−55
medium / 768p	85−90	30−35
high / 1080p	45−50	18−20
ultra / 1080p	24−27	10−11
4K / 2160p	16−18	8−9
The average gaming FPS of Radeon HD 7990 in The Witcher 3: Wild Hunt is 158% more, than Radeon RX 540.
low / 768p	90−95	100−105
medium / 768p	60−65	60−65
ultra / 1080p	50−55	30−35
high / 768p	60−65	50−55
The average gaming FPS of Radeon HD 7990 in World of Tanks is 8% more, than Radeon RX 540.

Full Specs

	Radeon HD 7990	Radeon RX 540
Architecture	GCN 1.0	Polaris
Code name	Malta	Polaris 12
Type	Desktop	Laptop
Release date	24 April 2013	21 March 2017
Pipelines	2048	512
Core clock speed	950 MHz
Boost Clock	1000 MHz	1219 MHz
Transistor count	4,313 million	1,500 million
Manufacturing process technology	28 nm	14 nm
Texture fill rate	128.0	39.01
Floating-point performance	2x 4,096 gflops	1,248 gflops
Length	307 mm
Memory bus width	384 Bit	128 Bit
Memory clock speed	6000 MHz	6000 MHz
Memory bandwidth	288.0 GB/s	96 GB/s
Shared memory		-
DirectX	12 (11_1)	12.0
Shader Model	5.1	5.0
OpenGL	4.6	4.6
OpenCL	1.2	1.2
Vulkan	1.2.131
FreeSync		+
Bitcoin / BTC (SHA256)	459 Mh/s
Laptop size		large
Ethereum / ETH (DaggerHashimoto)	44 Mh/s
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Radeon HD 7990 vs Radeon RX 540

Radeon RX 540 is a Laptop Graphics Card

Main Specs

Game benchmarks

Full Specs

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